This product is the replacement Hotend heatsink, compatible with: 

MK4XLMK3.9MK4SMK3.9S

Bearing housing 623h

MK3SMK3MK2.5SMK2.5

MK2SMINIMK3S+MINI+

MK2

This product is a filament sensor for the Nextruder, compatible with: 

MK3.9MK4XL

An accelerometer module for all printer modders who love to tweak and modify their 3D printers! While you won’t need this module for our stock printers, it’s perfect when you need to recalibrate the Input Shaper on your modded printer.

Compatible with: 

MK4MK3.9MK3.5MK4SMK3.9S

Double-sided textured PEI powder-coated spring steel sheet compatible with: 

MK3SMK3MK2.5SMK2.5MK2SMMU3MK3S+MMU2MK2MK4

A high quality aluminum v6 Heatsink/Cooling Block.

High Quality, Bi-Metal "All-Metal" Heat-Break.

7Genuine Prusa Thermistor for:

MK3SMK3MK2.5SMK2.5MK2SMK3S+MK2

This product is the replacement PTFE filament guide tube for the Original Prusa XL 

XL

Replacement bearing clips set for the y-carriage (y-axis).

Compatible with: 

MK4MK3.9MK4SMK3.9S

Brass Nozzle V6

Prusament PETG is an in-house-made filament at Prusa Research. The whole manufacturing process is closely monitored and tested - guarantee ±0.02mm precision and highly consistent colors.  You can inspect the parameters of every spool made at prusament.com. 

Prusament PLA is an in-house-made filament at Prusa Research. The whole manufacturing process is closely monitored and tested - guarantee ±0.02mm precision and highly consistent colors.  You can inspect the parameters of every spool made at prusament.com. 

This product is the replacement IR filament sensor-Buddy board cable. It is ONLY compatible with the MINI/+.

High quality v6 Titanium Alloy Heat Break.

Quality v6 Silicone sock.